Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!edcastle!edcogsci!cogsci!miles From: miles@cogsci.ed.ac.uk (Miles Bader) Newsgroups: comp.lang.lisp Subject: Re: isqrt Message-ID: Date: 6 Jun 91 18:26:26 GMT Sender: miles@cogsci.ed.ac.uk Organization: HCRC, University of Edinburgh Lines: 26 Hardware: sun4/330 (sparc) running sunos 4.0.3 All compiled with speed=3, safety=0, space=0 CMUCL = CMU Common Lisp (10-May-1991) AKCL = Austin KCL Version 1.505 * (isqrt-time-comparison (* 2 (expt 10 2000)) 1 1) fast-isqrt-mid1 fast-isqrt-rec isqrt CMUCL 0.610 sec 0.080 sec 234.340 sec AKCL 2.517 sec 0.550 sec 2.483 sec * (isqrt-time-comparison (* 2 (expt 10 6000)) 1 1) fast-isqrt-mid1 fast-isqrt-rec isqrt CMUCL 5.710 sec 1.170 sec very long (> 1 hour) AKCL 24.050 sec 4.817 sec 24.950 sec * (isqrt-time-comparison (* 2 (expt 10 20000)) 1 1) fast-isqrt-mid1 fast-isqrt-rec isqrt CMUCL 37.720 sec 5.470 sec very long AKCL 276.617 sec 68.950 sec 272.317 sec -Miles -- -- Miles Bader -- HCRC, University of Edinburgh -- Miles.Bader@ed.ac.uk